EP 4028808 B1 20231213 - OPTICAL DEVICE
Title (en)
OPTICAL DEVICE
Title (de)
OPTISCHE VORRICHTUNG
Title (fr)
DISPOSITIF OPTIQUE
Publication
Application
Priority
- US 201916568061 A 20190911
- EP 2020072488 W 20200811
Abstract (en)
[origin: US10761352B1] An embodiment of the invention relates to an optical device comprising a polarization diversity coupler configured to receive a beam of optical radiation. The optical device may further comprise a phase shifter, a 2×N coupler, a photodetector and a control unit configured to generate a control signal based on a monitor signal of the photodetector.
IPC 8 full level
G02B 6/126 (2006.01); G02B 6/12 (2006.01); G02B 6/27 (2006.01); G02F 1/01 (2006.01)
CPC (source: EP US)
G02B 6/126 (2013.01 - EP); G02B 6/27 (2013.01 - EP); G02F 1/011 (2013.01 - EP US); G02F 1/0147 (2013.01 - EP US); G02B 2006/12147 (2013.01 - EP); G02F 2201/58 (2013.01 - US); G02F 2203/50 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 10761352 B1 20200901; CN 114341716 A 20220412; EP 4028808 A1 20220720; EP 4028808 B1 20231213; EP 4293401 A2 20231220; EP 4293401 A3 20240306; WO 2021047843 A1 20210318
DOCDB simple family (application)
US 201916568061 A 20190911; CN 202080060576 A 20200811; EP 2020072488 W 20200811; EP 20764584 A 20200811; EP 23205157 A 20200811